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相关概念视频

Wind Turbine Machine Models01:24

Wind Turbine Machine Models

554
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
554
Turbine-Governor Control01:17

Turbine-Governor Control

911
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
911
Design Example: Calculating Safe Diameter for Wind-Exposed Disc01:17

Design Example: Calculating Safe Diameter for Wind-Exposed Disc

344
Assessing safety in wind-exposed installations is crucial to preventing potential failures. This example explores the calculation and design adjustments needed to mount a circular disc on a building facade, where wind forces are a primary concern. A 4-meter diameter disc was initially designed as an aesthetic feature facing winds at a velocity of 25 meters per second, with an air density of 1.25 kilograms per cubic meter. Given these conditions, the drag force on the disc was determined using...
344

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相关实验视频

Updated: Jan 12, 2026

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

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在风力轮机上测试蝙蝠死亡检测系统.

Sara P Weaver1, Jon D Ritter2, Alexis M Commiskey1

  • 1Natural Resources, Bowman Consulting, San Marcos, Texas, United States of America.

PloS one
|November 7, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种热摄像头系统和机器学习,以检测风力轮机中的蝙蝠死亡. 这项技术有助于识别潜在的蝙蝠死亡,指导搜索工作并改进保护策略.

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Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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Wind Tunnel Experiments to Study Chaparral Crown Fires
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Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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科学领域:

  • 野生动物保护 野生动物保护
  • 可再生能源的影响.
  • 机器学习应用 机器学习应用

背景情况:

  • 风力轮机中的蝙蝠死亡是一个重要的保护问题.
  • 目前的监测方法,比如热成像专注于旋转器扫描区域 (RSA),难以准确地检测死亡事故.
  • 与广泛的视频录制工作相比,记录的蝙蝠死亡人数很少.

研究的目的:

  • 评估一套新的地面热摄像系统与机器学习相结合,用于检测风力轮机中的蝙蝠死亡事故.
  • 确定该系统在追踪和识别低于RSA的蝙蝠尸体中的有效性.

主要方法:

  • 在德克萨斯州南部的风力轮机上部署了两个热摄像系统.
  • 利用机器学习算法分析了来自视频录制的超过274,051条蝙蝠踪迹.
  • 对算法识别的潜在死亡事件进行手动审查,并与地面搜索的蝙蝠尸体相关联.

主要成果:

  • 机器学习算法从274,051个分类的蝙蝠轨迹中确定了189个潜在的蝙蝠死亡.
  • 手动检查证实23条轨道可能是摄像机视野内发生的死亡事故.
  • 确认的死亡人数与地面搜索的蝙蝠尸体和估计的死亡时间一致.

结论:

  • 热摄像头系统和机器学习算法有效处理大量视频数据,以识别疑似蝙蝠死亡.
  • 这个系统可以将人类搜索者引导到特定的轮机,最大限度地减少手动搜索的努力.
  • 该技术有可能用于估计与海上风力轮机相关的蝙蝠死亡事故,而传统方法是不可行的.